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rbernassola
modified 7 years ago

NE555 Ramp Generator

2
4
206
03:01:43
NE555 Ramp Generator
published 7 years ago
selman
7 years ago
Bias the transistor in the active region, Vce somewhere in the middle of the power rail...
hurz
7 years ago
@rbernassola, your reference voltage of 27V is much to high and can not work as current source. Change it to 2.7V and see how linear the rampup is in comparason to your circuit.
hurz
7 years ago
check this http://everycircuit.com/circuit/4757075570458624
rbernassola
7 years ago
@hurz done ... Thanks a lot

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